import React from 'react'
import { Defs, LinearGradient, Stop } from 'react-native-svg'
import { LineChart, Grid } from 'react-native-svg-charts'

class GradientLineExample extends React.PureComponent {

  render() {

    const data = [50, 10, 40, 95, -4, -24, 85, 91, 35, 53, -53, 24, 50, -20, -80]

    const Gradient = () => (
      <Defs key={'gradient'}>
        <LinearGradient id={'gradient'} x1={'0'} y1={'0%'} x2={'100%'} y2={'0%'}>
          <Stop offset={'0%'} stopColor={'rgb(134, 65, 244)'} />
          <Stop offset={'100%'} stopColor={'rgb(66, 194, 244)'} />
        </LinearGradient>
      </Defs>
    )

    return (
      <LineChart
        style={{ height: 200 }}
        data={data}
        svg={{ stroke: 'url(#gradient)', fillOpacity: 0 }}
        contentInset={{ top: 20, bottom: 20 }}
      >
        <Grid />
        <Gradient />
      </LineChart>
    )
  }

}

export default GradientLineExample